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Elettrostatica

Quiz by rossella fanti

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10 questions
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  • Q1
    What is the unit of electric charge?
    Ampere
    Watt
    Coulomb
    Ohm
    30s
  • Q2
    What is the unit of electric field?
    Joule per Coulomb
    Coulomb per Newton
    Newton per Coulomb
    Newton
    30s
  • Q3
    What is the force between two charged objects called?
    Nuclear force
    Gravitational force
    Electrostatic force
    Magnetic force
    30s
  • Q4
    What does Coulomb's law state?
    The electrostatic force between two point charges is directly proportional to the square of the distance between them
    The electrostatic force between two point charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them
    The electrostatic force between two charges is inversely proportional to the product of the charges and the square of the distance between them
    The electrostatic force between two charges is directly proportional to the product of the charges and the distance between them
    30s
  • Q5
    What is an electric dipole?
    A single charged object
    A pair of charges of the same sign separated by a small distance
    A pair of equal and opposite charges separated by a small distance
    A pair of equal and opposite charges separated by a large distance
    30s
  • Q6
    What is the work done in moving a charge in an electric field?
    The product of the charge and the electric field strength
    The product of the charge and the potential difference
    The product of the charge and the distance moved
    The product of the potential difference and the electric field strength
    30s
  • Q7
    What is an electric field line?
    A line tangent to the direction of the electric field at every point
    A line that connects two charged objects
    A curved line that shows the path of a charged particle in an electric field
    A line perpendicular to the direction of the electric field at every point
    30s
  • Q8
    What is the net charge of an isolated system?
    Negative
    Cannot be determined
    Zero
    Positive
    30s
  • Q9
    What is the SI unit of electric potential?
    Ampere
    Ohm
    Watt
    Volt
    30s
  • Q10
    What is the relationship between electric potential and electric field?
    There is no relationship between electric potential and electric field
    The electric field is the positive gradient of the electric potential
    The electric field is the negative gradient of the electric potential
    The electric field is proportional to the electric potential
    30s

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